Alert archive / Iowa / Mesoscale Discussions / 2017

Mesoscale Discussions in Iowa, July 2017

24 mesoscale discussions in July 2017. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in July 2017. Tap one for its archive.

Mesoscale Discussions
24
Busiest day
July 10, 20175 mesoscale discussions

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Jul 9, 9:10 PM CDTMesoscale DiscussionSPCAllamakee, Bremer, Butler, Cerro Gordo, Chickasaw, Clayton and 16 more65 min
Jul 9, 11:45 PM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 23 more60 min
Jul 10, 1:49 AM CDTMesoscale DiscussionSPCBenton, Buchanan, Cedar, Clinton, Davis, Delaware and 26 more116 min
Jul 10, 2:43 AM CDTMesoscale DiscussionSPCButler, Franklin, Grundy, Hamilton, Hardin, Jasper and 7 more2 hr
Jul 10, 6:34 PM CDTMesoscale DiscussionSPCAppanoose, Davis, Decatur, Van Buren, Wayne86 min
Jul 11, 1:54 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Carroll, Cass, Crawford and 12 more3 hr
Jul 11, 9:49 PM CDTMesoscale DiscussionSPCAllamakee, Clayton, Dubuque, Winneshiek116 min
Jul 12, 3:33 PM CDTMesoscale DiscussionSPCAllamakee, Benton, Black Hawk, Bremer, Buchanan, Clayton and 11 more87 min
Jul 12, 6:19 PM CDTMesoscale DiscussionSPCClayton86 min
Jul 16, 2:06 PM CDTMesoscale DiscussionSPCDes Moines, Lee, Van Buren54 min
Jul 18, 2:19 PM CDTMesoscale DiscussionSPCAllamakee, Cerro Gordo, Chickasaw, Floyd, Hancock, Howard and 5 more116 min
Jul 19, 12:11 PM CDTMesoscale DiscussionSPCBremer, Buena Vista, Butler, Cerro Gordo, Cherokee, Chickasaw and 20 more2 hr
Jul 19, 2:38 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Howard, Winneshiek2 hr
Jul 19, 5:11 PM CDTMesoscale DiscussionSPCBuchanan, Clayton, Clinton, Delaware, Dubuque, Jackson and 1 more34 min
Jul 19, 6:32 PM CDTMesoscale DiscussionSPCAllamakee, Chickasaw, Clayton, Fayette, Floyd, Howard and 2 more58 min
Jul 19, 7:06 PM CDTMesoscale DiscussionSPCLyon, Plymouth, Sioux, Woodbury84 min
Jul 19, 8:19 PM CDTMesoscale DiscussionSPCAllamakee, Cedar, Clayton, Clinton, Delaware, Dubuque and 3 more86 min
Jul 20, 1:16 AM CDTMesoscale DiscussionSPCBenton, Black Hawk, Bremer, Buchanan, Butler, Cerro Gordo and 20 more119 min
Jul 20, 3:57 PM CDTMesoscale DiscussionSPCBoone, Calhoun, Carroll, Crawford, Greene, Hamilton and 8 more2 hr
Jul 21, 1:32 PM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Buchanan, Calhoun and 35 more2 hr
Jul 21, 6:28 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Butler, Cedar, Clinton and 27 more92 min
Jul 21, 8:35 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Butler, Cedar, Clinton and 27 more115 min
Jul 21, 11:23 PM CDTMesoscale DiscussionSPCBenton, Black Hawk, Buchanan, Butler, Cedar, Clinton and 27 more67 min
Jul 26, 4:55 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Jackson, Jones, Louisa and 2 more65 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

52 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20162018

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.